119 lines
4.0 KiB
Python
Executable File
119 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: UTF-8 -*-
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# Auto-generated from template. DO NOT EDIT DIRECTLY!
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# Device: 设备UDP示例 (dev3) - UDP Protocol
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import socket
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import os
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import time
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import logging
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import sys
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# ====== 配置参数（从配置文件读取）======
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TMS_SERVER_IP = '192.168.8.9'
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TMS_PORT = 10080
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UPC_DEV_IP = '192.168.8.200'
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UPC_DEV_PORT = 502
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SENDER_FILE = '/home/smart/pythonPJ/upc_resent/bin/sender_udp.py'
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LOG_FILE = '/home/smart/pythonPJ/upc_resent/log/dev3.log'
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PYTHON_PATH = '/usr/bin/python3'
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DEVICE_ID = 'dev3'
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# =========================
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BUFSIZE = 1024
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# 配置日志
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logging.basicConfig(filename=LOG_FILE, filemode="a", level=logging.DEBUG)
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ISOTIMEFORMAT = '%Y-%m-%d %X'
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# 命令映射表
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COMMAND_MAPPINGS = {
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"open": "openall4",
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"close": "closeall4",
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"guanggao-guan": "closeall4",
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"open1": "open1",
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"close1": "close1",
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"open2": "open2",
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"close2": "close2",
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"open3": "open3",
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"close3": "close3",
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"open4": "open4",
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"close4": "close4",
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"open5": "open5",
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"close5": "close5",
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"open6": "open6",
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"close6": "close6",
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"open7": "open7",
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"close7": "close7",
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"open8": "open8",
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"close8": "close8",
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}
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def process_command(buf):
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"""处理接收到的命令，返回对应的操作指令"""
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buf = buf.strip()
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if buf in COMMAND_MAPPINGS:
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return COMMAND_MAPPINGS[buf]
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return "nodata"
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def main():
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# 创建 UDP socket
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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try:
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sock.bind((TMS_SERVER_IP, int(TMS_PORT)))
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except OSError as e:
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logstr = "!!!!!ERROR!!!!!" + time.strftime(ISOTIMEFORMAT, time.localtime(time.time())) + \
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" 无法绑定UDP端口 %s:%s - %s" % (TMS_SERVER_IP, TMS_PORT, e)
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logging.error(logstr)
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print(logstr)
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sys.exit(1)
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logging.info("UDP服务启动，监听 %s:%s" % (TMS_SERVER_IP, TMS_PORT))
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print(f"[{DEVICE_ID}] UDP服务启动，监听 {TMS_SERVER_IP}:{TMS_PORT}")
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while True:
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try:
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# UDP 使用 recvfrom 接收数据，同时获取客户端地址
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buf_bytes, client_addr = sock.recvfrom(BUFSIZE)
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buf = buf_bytes.decode('utf-8').strip()
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datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
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logstr = "===" + datetime_str + " 收到UDP客户端 " + client_addr[0] + ":" + str(client_addr[1]) + \
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" 发送的指令: '" + str(buf) + "'"
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logging.info(logstr)
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print(logstr)
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operation = process_command(buf)
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if operation == "nodata":
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logstr = "===" + datetime_str + " 未知指令: '" + str(buf) + "'"
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logging.warning(logstr)
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print(logstr)
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# 发送UDP响应
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sock.sendto(('Unknown command: %s' % buf).encode('utf-8'), client_addr)
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else:
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logstr = "===" + datetime_str + " 映射到内部指令: '" + str(operation) + "'"
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logging.info(logstr)
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print(logstr)
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# 执行发送指令的脚本
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os_command = str(PYTHON_PATH) + " " + SENDER_FILE + " " + \
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str(UPC_DEV_IP) + " " + str(UPC_DEV_PORT) + " " + \
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str(operation) + " " + str(LOG_FILE)
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logging.info("执行外部命令: %s" % os_command)
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os.system(os_command)
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# 发送UDP响应
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sock.sendto(('Command %s processed as %s' % (buf, operation)).encode('utf-8'), client_addr)
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except Exception as e:
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datetime_str = time.strftime(ISOTIMEFORMAT, time.localtime(time.time()))
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logstr = "===" + datetime_str + " 处理UDP请求时发生错误: " + str(e) + "==="
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logging.error(logstr, exc_info=True)
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print("Error processing UDP request:", e)
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if __name__ == '__main__':
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main()
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